SparkyTestHelpers.Moq.Fluent 1.4.6

There is a newer version of this package available.
See the version list below for details.
dotnet add package SparkyTestHelpers.Moq.Fluent --version 1.4.6
NuGet\Install-Package SparkyTestHelpers.Moq.Fluent -Version 1.4.6
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package.
<PackageReference Include="SparkyTestHelpers.Moq.Fluent" Version="1.4.6" />
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add SparkyTestHelpers.Moq.Fluent --version 1.4.6
#r "nuget: SparkyTestHelpers.Moq.Fluent, 1.4.6"
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package.
// Install SparkyTestHelpers.Moq.Fluent as a Cake Addin
#addin nuget:?package=SparkyTestHelpers.Moq.Fluent&version=1.4.6

// Install SparkyTestHelpers.Moq.Fluent as a Cake Tool
#tool nuget:?package=SparkyTestHelpers.Moq.Fluent&version=1.4.6

Moq Fluent Assertions syntax helpers

see also:


This package provides Fluent Assertions extension methods for Moq, “the most popular and friendly mocking framework for .NET”.

The "out of the box" syntax:

_mock.Verify(x => x.Foo());
_mock.Verify(x => x.Foo(), Times.Once);
_mock.Verify(x => x.Foo(), Times.AtLeastOnce);
_mock.Verify(x => x.Foo(), Times.AtMostOnce);
_mock.Verify(x => x.Foo(), Times.Exactly(3));
_mock.Verify(x => x.Foo(), Times.Between(2, 5));
_mock.Verify(x => x.Foo(), Times.AtLeast(2));
_mock.Verify(x => x.Foo(), Times.AtMost(5));
_mock.Verify(x => x.Foo(), Times.Never);

...can be coded as:

_mock.Should().HaveCallsTo(x => x.Foo());
_mock.Should().HaveOneCallTo(x => x.Foo());
_mock.Should().HaveAtLeastOneCallTo(x => x.Foo());
_mock.Should().HaveAtMostOneCallTo(x => x.Foo());
_mock.Should().HaveCallCount(3).To(x => x.Foo());
_mock.Should().HaveCallCount(2, 5).To(x => x.Foo());
_mock.Should().HaveCallCount(2).OrMore().To(x => x.Foo());
_mock.Should().HaveCallCount(5).OrLess().To(x => x.Foo());
_mock.Should().NoCallsTo(x => x.Foo());

...or as:

_mock.Method(x => x.Foo()).Should().HaveBeenCalled();
_mock.Method(x => x.Foo()).Should().HaveBeenCalledOnce();
_mock.Method(x => x.Foo()).Should().HaveBeenCalledAtLeastOnce();
_mock.Method(x => x.Foo()).Should().HaveBeenCalledAtMostOnce();
_mock.Method(x => x.Foo()).Should().HaveCallCount(3);
_mock.Method(x => x.Foo()).Should().HaveCallCountBetween(2, 5);
_mock.Method(x => x.Foo()).Should().HaveCallCountOfAtLeast(2);
_mock.Method(x => x.Foo()).Should().HaveCallCountOfAtMost(5);
_mock.Method(x => x.Foo()).Should().NotHaveBeenCalled();

There are property Get and Set equivalents for all of the ".Method ... .Should... .HaveBeen" methods listed above:

_mock.Get(x => x.Bar).Should().HaveBeenCalledOnce();
_mock.Set(x => x.Bar = "Baz").Should().HaveBeenCalledOnce();

“Any” - Syntax alternative to “It.IsAny<T>”

This package incorporates SparkyTestHelpers.Moq.Core, which enables simplified "Any" syntax:

_mock.Setup(x => x.DoSomething(
    It.IsAny<string>(), It.IsAny<int>(), It.IsAny<IEnumerable<int>>())
    .Returns(true);

...can be simplified to:

using SparkyTestHelpers.Moq;
. . .
_mock.Setup(x => x.DoSomething(
    Any.String, Any.Int, Any.IEnumerable<int>()) 
    .Returns(true);
"Any" members:
  • Any.Action
  • Any.Action<T>
  • Any.Action<T1, T2>
  • Any.Action<T1, T2, T3>
  • Any.Array<T>
  • Any.Boolean
  • Any.Dictionary<TKey, TValue>
  • Any.DateTime
  • Any.Decimal
  • Any.Double
  • Any.Func<T>
  • Any.Func<T1, T2>
  • Any.Func<T1, T2, T3>
  • Any.Guid
  • Any.IEnumerable<T>
  • Any.InstanceOf<T> (Any.One<T> is a "synonym" for Any.InstanceOf<T>)
  • Any.IList<T>
  • Any.Int
  • Any.IQueryable<T?
  • Any.KeyValuePair<TKey, TValue>
  • Any.Lazy<T>
  • Any.List<T>
  • Any.Long
  • Any.Nullable<T>
  • Any.Object
  • Any.Short
  • Any.Single
  • Any.String
  • Any.TimeSpan
  • Any.Tuple<T1, T2>
  • Any.Type
  • Any.UInt
  • Any.ULong
  • Any.UShort

mock.Where extension method

...provides an alternate syntax for "It.Is":

using SparkyTestHelpers.Moq;
. . .
// sad:
_mock.Setup(x => x.Foo(It.Is<int>(i => i % 2 == 0))).Returns(true);
// rad!:
_mock.Setup(x => x.Foo(Any.Int.Where(i => i % 2 == 0))).Returns(true);

Reduce code duplication

The Method, Get and Set extensions return their input expressions/actions, which can be used to reduce code duplication.

For example, this test:

// Arrange:
_mock.Setup(x => x.Foo(
    Any.String, Any.Int, Any.InstanceOf<Bar>())
    ).Returns(true);

// Act:
subjectUnderTest.Foo("yo", 5, myBar);

//Assert:
_mock.VerifyOneCallTo(x => x.Foo(
    Any.String, Any.Int, Any.InstanceOf<Bar>()));

...where you have to code the same “x ⇒ x.Foo(Any.String, Any.Int, Any.InstanceOf<Bar>()” expression for both the .Setup and .Verify calls  -  can be simplified to:

// Arrange:
var fooCall = _mock.Method(x => x.Foo(Any.String, Any.Int, Any.InstanceOf<Bar>())).Expression;

_mock.Setup(fooCall).Returns(true);

// Act:
subjectUnderTest.Foo("yo", 5, myBar);

// Assert:
_mock.Method(fooCall).Should().HaveBeenCalledOnce();
Product Compatible and additional computed target framework versions.
.NET net5.0 was computed.  net5.0-windows was computed.  net6.0 was computed.  net6.0-android was computed.  net6.0-ios was computed.  net6.0-maccatalyst was computed.  net6.0-macos was computed.  net6.0-tvos was computed.  net6.0-windows was computed.  net7.0 was computed.  net7.0-android was computed.  net7.0-ios was computed.  net7.0-maccatalyst was computed.  net7.0-macos was computed.  net7.0-tvos was computed.  net7.0-windows was computed.  net8.0 was computed.  net8.0-android was computed.  net8.0-browser was computed.  net8.0-ios was computed.  net8.0-maccatalyst was computed.  net8.0-macos was computed.  net8.0-tvos was computed.  net8.0-windows was computed. 
.NET Core netcoreapp1.0 was computed.  netcoreapp1.1 was computed.  netcoreapp2.0 was computed.  netcoreapp2.1 was computed.  netcoreapp2.2 was computed.  netcoreapp3.0 was computed.  netcoreapp3.1 was computed. 
.NET Standard netstandard1.3 is compatible.  netstandard1.4 was computed.  netstandard1.5 was computed.  netstandard1.6 was computed.  netstandard2.0 was computed.  netstandard2.1 was computed. 
.NET Framework net46 was computed.  net461 was computed.  net462 was computed.  net463 was computed.  net47 was computed.  net471 was computed.  net472 was computed.  net48 was computed.  net481 was computed. 
MonoAndroid monoandroid was computed. 
MonoMac monomac was computed. 
MonoTouch monotouch was computed. 
Tizen tizen30 was computed.  tizen40 was computed.  tizen60 was computed. 
Universal Windows Platform uap was computed.  uap10.0 was computed. 
Xamarin.iOS xamarinios was computed. 
Xamarin.Mac xamarinmac was computed. 
Xamarin.TVOS xamarintvos was computed. 
Xamarin.WatchOS xamarinwatchos was computed. 
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Version Downloads Last updated
1.6.0 3,967 1/30/2022
1.5.0 296 12/29/2021
1.4.8 3,103 7/27/2019
1.4.7 870 11/22/2018
1.4.6 669 11/13/2018
1.4.5 672 10/30/2018
1.4.4 675 10/23/2018
1.4.3 680 10/22/2018
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